What is HYV?
A) Half Yielding Varieties
B) Hope Yielding Varieties
C) Hard Yielding Varieties
D) High Yielding Varieties
1 Answers
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Mention the varieties of rice from the passage, “Most of the farmers…disappeared”
1. Kasbai – local long-grained scented variety 2. Basmati – more aromatic than Kasbai 3. Hybrids – the latest craze of the farmers.
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State the advantages of the varieties as you find them in the extract.
Variety Advantages 1. Hybrid varieties Short duration crop so can have two crops a year 2. Traditional Rice Good quality rice with alluring aroma
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Half of the core of a solenoid of `2xx 10^(-3) m^(2)` cross -section , is made up of air and the other half iron `(mu_(r)=500)`. The length of the sol
Correct Answer - 0.315 H
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The half life of `._(90)Th^(225)` is 8 minutes How many half lives are there in 2 hours ? How long would you have to wait before there is less than 1
Correct Answer - `15; 53.15` min
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A solution contains a mixture of two isotopes A (`half-life=10days`) and B (`half-life=5days`). Total activity of the mixture is `10^10` disintegratio
Correct Answer - `[(a) 0.73xx10^(10) dps 0.27xx10^(10) dps, (b) 5.4]`
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_______was dependent to a large extent on plant breeding techniques for development of high yielding and disease resistant varieties of wheat, rice, m
Correct Answer - Green revolution
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In 1963, several varieties such as_______and ____, which were high yielding and disease resistant were introduced all over the wheat growing belt of I
Correct Answer - Sonalika, kalyan sona
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A man travels half time of its journey with speed of 5m/s and for remaining half time he moves half of its total distance travelled, with speed of 3 m
Correct Answer - 4.5 m/s
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The use of high yields with combination of HYV seeds, irrigation, chemical fertilisers, pesticides etc refers to ……………
B) Modern cropping
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A car covers half the distance at a speed of 60 kmh^(-1) and the other half at a speed of 40 km h^(-1) The average speed of the car is
Correct option is B) 50 km h-1
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